Prepare new release (#71)

Prepare release for version 2.2.4

Author: sofia3ms

CITATION.cff

@@ -23,7 +23,7 @@ abstract: >-
   pattern recognition methods geared towards the analysis of
   biosignals.
 license: BSD-3-Clause
-version: 2.2.3
+version: 2.2.4
 date-released: '2024-04-23'
 preferred-citation:
     type: article

setup.py

@@ -27,7 +27,7 @@
 EMAIL = '[email protected]'
 AUTHOR = 'Instituto de Telecomunicacoes'
 REQUIRES_PYTHON = '>3.5.2'
-VERSION = '2.2.3'
+VERSION = '2.2.4'
 LICENSE = 'BSD 3-clause'
 
 # What packages are required for this module to be executed?